[Opensim-users] Question about BulletSim and jumping

Chris mewtwo0641 at gmail.com
Sun Jul 5 05:54:40 UTC 2015


Ahh interesting. I didn't know about this, I added the line to my 
BulletSim section and set it to 8. It's about the jump height I was 
looking for now :)

Thank you very much!

On 7/3/2015 8:13 PM, Mister Blue wrote:
> The jump itself is done by applying an upward velocity to the avatar. 
> The amount of velocity is a constant embedded in 
> ScenePresenceAnimator.cs. The height can be increased in BulletSim 
> because the zeroing of this upward force is suppressed for a few 
> frames so the avatar does jump[1]. This code is in 
> BSActorAvatarMove.cs which has all the fiddling for flying, walking up 
> stairs, jumping and such avatar movement diddling.
>
> The parameter [BulletSim]AvatarJumpFrames=4 can be increased to 
> increase the height of the jump. The default is 4 (about a third of a 
> second). Try 10 and see how high you go.
>
> == mb
>
> [1] normally an avatar doesn't move up unless flying so, if not flying 
> but not colliding, normally upward force would be suppressed. Unless 
> jumping.
>
> On Thu, Jul 2, 2015 at 9:39 AM, Chris <mewtwo0641 at gmail.com 
> <mailto:mewtwo0641 at gmail.com>> wrote:
>
>     Hello all,
>
>     I am wanting tweak the jump height to be a bit higher than is
>     default with BulletSim physics and was wondering if there is a
>     configuration for it that affects gravity and/or jumping?
>
>     Having searched through OpenSim.ini as well as
>     OpenSimDefaults.ini; I can't seem to locate any relevant
>     parameters to change to this effect.
>
>     Thank you!
>
>     -- 
>     OpenSim: 10 Region Standalone on 0.8.1 Dev
>     Physics: Open Dynamics Engine
>     OS: Windows 7 (x64)
>     CPU: AMD FX 8320 8-Core 3.5 GHz
>     Memory: 16 GB DDR3
>     Database: MySQL 5.1.63 (x64)
>
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-- 
OpenSim: 10 Region Standalone on 0.8.1 Dev
Physics: Open Dynamics Engine
OS: Windows 7 (x64)
CPU: AMD FX 8320 8-Core 3.5 GHz
Memory: 16 GB DDR3
Database: MySQL 5.1.63 (x64)

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